Technical features: 1. Aluminum alloy, light weight, good heat dissipation, effectively reduce the temperature. 2. Built-in cylinder. 3. Clamping precision: 0.03-0.05mm 4. Can easily replace the vice jaws to improve accuracy 5. Simple structure, high efficiency, low cost, convenient installation. 6. Lever or Foot Pedal Actuated. 7. Low Maintenance with Oil Mist Lubrication System